2 * Copyright (c) 2001-2007 Sun Microsystems, Inc. All rights reserved.
4 * The Sun Project JXTA(TM) Software License
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
9 * 1. Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
16 * 3. The end-user documentation included with the redistribution, if any, must
17 * include the following acknowledgment: "This product includes software
18 * developed by Sun Microsystems, Inc. for JXTA(TM) technology."
19 * Alternately, this acknowledgment may appear in the software itself, if
20 * and wherever such third-party acknowledgments normally appear.
22 * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
23 * not be used to endorse or promote products derived from this software
24 * without prior written permission. For written permission, please contact
25 * Project JXTA at http://www.jxta.org.
27 * 5. Products derived from this software may not be called "JXTA", nor may
28 * "JXTA" appear in their name, without prior written permission of Sun.
30 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
31 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
32 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN
33 * MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
34 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
36 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
37 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
38 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
39 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41 * JXTA is a registered trademark of Sun Microsystems, Inc. in the United
42 * States and other countries.
44 * Please see the license information page at :
45 * <http://www.jxta.org/project/www/license.html> for instructions on use of
46 * the license in source files.
48 * ====================================================================
50 * This software consists of voluntary contributions made by many individuals
51 * on behalf of Project JXTA. For more information on Project JXTA, please see
52 * http://www.jxta.org.
54 * This license is based on the BSD license adopted by the Apache Foundation.
57 package net.jxta.pipe;
60 import net.jxta.id.ID;
61 import net.jxta.endpoint.Message;
62 import net.jxta.protocol.PipeAdvertisement;
66 * InputPipe defines the interface for receiving messages from a
67 * {@link net.jxta.pipe.PipeService}.
69 * <p/>An application that wants to receive messages from a Pipe will create
72 * <p/>An InputPipe is created and returned by the
73 * {@link net.jxta.pipe.PipeService}
75 * @see net.jxta.pipe.PipeService
76 * @see net.jxta.pipe.OutputPipe
77 * @see net.jxta.endpoint.Message
78 * @see net.jxta.endpoint.MessageElement
79 * @see net.jxta.protocol.PipeAdvertisement
81 public interface InputPipe {
84 * Wait (block) for a message to be received.
86 * @return a message or null if the pipe has been closed.
87 * @exception InterruptedException If another thread interrupted while we
88 * were waiting for a message.
90 public Message waitForMessage() throws InterruptedException;
93 * Poll for a message from the pipe. If there is no message immediately
94 * available then wait the specified amount of time for a message to arrive.
96 * @param timeout Maximum number of milliseconds to wait (block) for a
97 * message to be received. If zero then wait indefinitely for a message.
98 * @return Message received or null if the pipe has closed or the timeout
99 * expired without a message being received.
100 * @throws InterruptedException If another thread interrupted while we
101 * were waiting for a message.
103 public Message poll(int timeout) throws InterruptedException;
106 * Close the pipe. No additional messages will be received on this pipe.
115 public String getType();
122 public ID getPipeID();
129 public String getName();
132 * Gets the pipe advertisement
134 * @return The advertisement
136 public PipeAdvertisement getAdvertisement();